Data processing: measuring – calibrating – or testing – Measurement system – Orientation or position
Reexamination Certificate
2011-02-08
2011-02-08
Dunn, Drew A (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system
Orientation or position
C702S150000, C702S145000, C318S400010, C318S400230
Reexamination Certificate
active
07885785
ABSTRACT:
A position observer for control-based torque ripple mitigation in permanent magnet synchronous machines (PMSMs). Rotor position is determined using data from two sources: a piezoelectric sensor for initial position and low-speed detection, and a single Hall-effect sensor for high-speed detection.
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T. Su, S. Hattori, M. Ishi
Beccue Philip B.
Pekarek Steven D.
Bahret William F.
Dunn Drew A
Purdue Research Foundation
Vo Hien X
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